public class Student {
    public static String name;
    public static int age;













//    public String name;
//    public int age;
//    public Student(String name, int age) {
//        this.name = name;
//        this.age = age;
//    }
//    public void sleep() {
//        System.out.println(this.name + " 正在睡觉");
//    }
}
